<template>
    <!-- #ifdef H5 -->
    <tr class="uni-table-tr">
        <th v-if="selection === 'selection' && ishead" class="checkbox" :class="{ 'tr-table--border': border }">
            <table-checkbox :checked="checked" :indeterminate="indeterminate" :disabled="disabled"
                            @checkboxSelected="checkboxSelected"></table-checkbox>
        </th>
        <slot></slot>
        <!-- <uni-th class="th-fixed">123</uni-th> -->
    </tr>
    <!-- #endif -->
    <!-- #ifndef H5 -->
    <view class="uni-table-tr">
        <view v-if="selection === 'selection' " class="checkbox" :class="{ 'tr-table--border': border }">
            <table-checkbox :checked="checked" :indeterminate="indeterminate" :disabled="disabled"
                            @checkboxSelected="checkboxSelected"></table-checkbox>
        </view>
        <slot></slot>
    </view>
    <!-- #endif -->
</template>

<script>
    import tableCheckbox from './table-checkbox.vue'

    /**
     * Tr 表格行组件
     * @description 表格行组件 仅包含 th,td 组件
     * @tutorial https://ext.dcloud.net.cn/plugin?id=
     */
    export default {
        name: 'uniTr',
        components: {tableCheckbox},
        props: {
            disabled: {
                type: Boolean,
                default: false
            },
            keyValue: {
                type: [String, Number],
                default: ''
            }
        },
        options: {
            virtualHost: true
        },
        data() {
            return {
                value: false,
                border: false,
                selection: false,
                widthThArr: [],
                ishead: true,
                checked: false,
                indeterminate: false
            }
        },
        created() {
            this.root = this.getTable()
            this.head = this.getTable('uniThead')
            if (this.head) {
                this.ishead = false
                this.head.init(this)
            }
            this.border = this.root.border
            this.selection = this.root.type
            this.root.trChildren.push(this)
            const rowData = this.root.data.find(v => v[this.root.rowKey] === this.keyValue)
            if (rowData) {
                this.rowData = rowData
            }
            this.root.isNodata()
        },
        mounted() {
            if (this.widthThArr.length > 0) {
                const selectionWidth = this.selection === 'selection' ? 50 : 0
                this.root.minWidth = this.widthThArr.reduce((a, b) => Number(a) + Number(b)) + selectionWidth
            }
        },
        // #ifndef VUE3
        destroyed() {
            const index = this.root.trChildren.findIndex(i => i === this)
            this.root.trChildren.splice(index, 1)
            this.root.isNodata()
        },
        // #endif
        // #ifdef VUE3
        unmounted() {
            const index = this.root.trChildren.findIndex(i => i === this)
            this.root.trChildren.splice(index, 1)
            this.root.isNodata()
        },
        // #endif
        methods: {
            minWidthUpdate(width) {
                this.widthThArr.push(width)
            },
            // 选中
            checkboxSelected(e) {
                let rootData = this.root.data.find(v => v[this.root.rowKey] === this.keyValue)
                this.checked = e.checked
                this.root.check(rootData || this, e.checked, rootData ? this.keyValue : null)
            },
            change(e) {
                this.root.trChildren.forEach(item => {
                    if (item === this) {
                        this.root.check(this, e.detail.value.length > 0 ? true : false)
                    }
                })
            },
            /**
             * 获取父元素实例
             */
            getTable(name = 'uniTable') {
                let parent = this.$parent
                let parentName = parent.$options.name
                while (parentName !== name) {
                    parent = parent.$parent
                    if (!parent) return false
                    parentName = parent.$options.name
                }
                return parent
            }
        }
    }
</script>

<style lang="scss">
    $border-color: #ebeef5;

    .uni-table-tr {
        /* #ifndef APP-NVUE */
        display: table-row;
        transition: all 0.3s;
        box-sizing: border-box;
        /* #endif */
    }

    .checkbox {
        padding: 0 8px;
        width: 26px;
        padding-left: 12px;
        /* #ifndef APP-NVUE */
        display: table-cell;
        vertical-align: middle;
        /* #endif */
        color: #333;
        font-weight: 500;
        border-bottom: 1px $border-color solid;
        font-size: 14px;
        // text-align: center;
    }

    .tr-table--border {
        border-right: 1px $border-color solid;
    }

    /* #ifndef APP-NVUE */
    .uni-table-tr {
        ::v-deep .uni-table-th {
            &.table--border:last-child {
                // border-right: none;
            }
        }

        ::v-deep .uni-table-td {
            &.table--border:last-child {
                // border-right: none;
            }
        }
    }

    /* #endif */
</style>
